Z DEPENDENCE OF L-SUBSHELL CROSS SECTIONS AROUND Z=50 G. SPADACCINI, P. CUZZOCREA, N. DE CESARE, E. PERILLO and M. VIGILANTE J. Phys. Colloques, 48 C9 (1987) C9-535-C9-538 DOI: 10.1051/jphyscol:1987988